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Chemical and Petroleum Engineering

, Volume 51, Issue 3–4, pp 188–193 | Cite as

Assessment of Stressed State and Performance Characteristics of Jacketed Spring with a Cut for Drill Shock Absorber

  • A. S. VelichkovichEmail author
  • T. M. Dalyak
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A design of a drilling shock absorber with an elastic element in the form of several jacketed springs with a cut, which operate in parallel, is presented. A finite-element model of contact interaction of a cylindrical jacket with a cut and an elastic body is built, which can be used for analyzing the stressed-stained state and studying the performance characteristics of jacketed elastic elements of drill vibration protection devices. Distributions of stresses and displacements of the bearing member of the jacketed spring are given. The strength and damping capacity of the element with a cut are estimated.

Keywords

drilling shock absorber elastic element jacket with a cut jacketed spring 

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Copyright information

© Springer Science+Business Media New York 2015

Authors and Affiliations

  1. 1.Ivano-Frankovsk National Technical University of Oil and GasIvano-FrankovskUkraine
  2. 2.Ivano-Frankovsk Division, Institute of Applied Problems of Mechanics and MathematicsNational Academy of Sciences of UkraineIvano-FrankovskUkraine

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